• Quarter #2: Work, Energy, Power, Momentum, Heat



      Fri 1/15
      Radiation


      Thu 1/14
      Conduction and Convection


      Wed 1/13
      Specific Heat Capacity and intro to Conduction


      Tue 1/12
      Heat mixes pt 2


      Mon 1/11
      Heat mixes part 1


      Fri 1/8
      Video - NOVA: Making things colder
      (Completing the viewing guide serves as a make-up assignment)

      Thu 1/7
      Make-up: Get True/False sheet, pick 6 to answer why the statement is true or false.
      Numbered Heads Together True/False challenge


      Wed 1/6
      Make-up: CD 21-1 worksheet
      Eureka video - Heat vs Temperature
      RHR Refresher for Leslie's room


      Tue 1/5
      Make-up: N/A
      Thermometer game - where do the number cards go?
      Score last of the marshmallow launchers


      Tue 12/22, Mon 1/4, Tue 1/5
      Marshmallow Launcher Project
      Get a set of equipment and rule sheet from Leslie. Build some sort of mechanism that will launch a mini marshmallow towards a target 2 meters away.

      Mon 12/21 - Base camp, no class

      Fri 12/18
      Make-up: Use the internet to do the following: 1) Define trebuchet. 2) Define catapult. What kind of potential energy is used for each?
      Eureka 20 - Temperature Scales (review of Thursday)
      Junkyard Wars - let's get ready for marshmallow launchers!

      Thu 12/17
      Make-up: Use page from file to answer worksheet on Temperature scales
      Temperature scales are arbitrary!
      Kelvin is the only one where zero means "nothing"
      Hands in water demo -- we are lousy thermometers!

      Wed 12/16
      Make-up: Watch Eureka 19: https://www.youtube.com/watch?v=rMg1bmF5BVo
      and answer the following questions. 1) What will happen to a full balloon left in the sun? 2) Why would this happen? 3) Why is there space left between pieces of concrete on a bridge?
      Temperature and Heat prior knowledge sheet
      Ball and ring demonstration
      Simulator of gas molecules
      Temperature measures average kinetic energy


      Tue 12/15
      Make-up: Schedule a time with Leslie to take the test
      Test on Work, Power, Energy, Momentum, and Impulse

      Mon 12/14
      Jeopardy Review - Work, Power, Energy, Momentum

      Fri 12/11
      Make-up work: #1-4b of Momentum and Impulse review (in file)
      Brainstormed safety devices that increase time to stop and so decrease force
      Whiteboard - what are the questions asking for and what do they want? Which equation?
      Practice on worksheet


      Thu 12/10
      Make-up work: Answer the following questions (also in file) in terms of impulse and momentum. 1) When swinging a baseball bat, why does follow through lead to the baseball leaving the bat with greater velocity? 2) Is a dish less likely to break if it falls onto a tile floor or a carpeted floor? 3) Why are airbags in cars a good idea?
      Catching a baseball barehanded and water balloon catching contests
      Impulse is change in momentum
      Watched ESPN "Relaxing with Impulse"


      Wed 12/9
      Make-up: Schedule time with Leslie to do lab activity
      Marble Madness: Different marbles down ruler ramps into other marbles on rulers
      Does it seem like momentum is conserved?
      Marble Madness


      Tue 12/8
      Make-up work: Use the internet or your brain to answer the following question: What are 3 situations where something big going slower affects something small to make it go much faster? (Slip in file)
      Watched "Blobbing" and related it to conservation of momentum
      OAS - Daisy Cutter also conservation of momentum
      Watched ESPN "Running with Momentum" video and created questions for the Daily 3


      Mon 12/7
      Make-up work: Do momentum practice problems 1-4b
      Where do we hear momentum in daily life? Sports, being on a roll,...
      Whiteboard practice using momentum equation
      Worksheet practice mom. = m*v


      Fri 12/3
      Make-up: Google "mythbuster results" and summarize how they tested any 3 myths (http://mythbustersresults.com/)
      Mythbusters: Dumpster Dive and Bubble Wrap
      both about changing momentum over more TIME to create less FORCE

      Thu 12/3 - NO SCHOOL
      Staff development day

      Wed 12/2
      Make-up work: Get CD 8-1 worksheet from file and complete all but #4
      Stop a cannon ball with your foot?
      Momentum is inertia in motion
      Newton's cradle demos
      Racquetball on basketball demo
      Conservation means total momentum stays that same
      Practice worksheet


      Tue 12/1
      Make-up work: Get CD 9-1 from file and complete 1-5 & 7
      Reviewing Work, Power, and Energy (CPPs)
      Eureka 9: Kinetic Energy
      Worksheet that reviewed all from this quarter


      Mon 11/23 - Tue 11/24 - Mon 11/30
      Make-up work: Get roller coaster project packet from Leslie and complete. You will need a computer that runs JAVA (a smartphone probably won't work).
      Explore PhET Energy Skate Park simulator
      Design and build a roller coaster
      Draw and label the energy along your ride both without and with friction

      Fri 11/20
      Make-up work: #1 use the packet in the file (or the internet) to find the calories in one of your favorite fast foods. #2 Convert the calories to Joules (1 Calorie = 4184 Joules). #3 use the packet in the file (or the internet) to find how long it would take you to burn off those calories at an exercise of your choice.
      - Find the power needed for a couple of fitness activities
      - Discuss how work, energy, and power are related to calories and food


      Thu 11/19
      Make-up work: Get fake data and complete lab sheet (in file)
      Defining POWER -- everyday life and in physics
      Power = work / time and is measured in Watts
      Determining our power running up the stairs.


      Wed 11/18
      Make-up work: Get toy popper data and complete lab worksheet (in file)
      Watched Eureka 10: Potential Energy
      Measured height of toy popper and conservation of energy to calculate how fast it was going when it left the ground


      Tue 11/17
      Make-up work:Use the internet or notes to answer these questions: 1) If I roll a ball across a flat floor, it eventually stops. Where does the energy go? 2) Once I pick my feet up off the ground on a swing, I can get myself higher and higher. Where does the energy of motion come from? 3) Where do cows get their energy?
      Watched Sports Figures: Tony Hawk perpetual motion?
      Everything is solar powered???


      Mon 11/16
      Make-up work: Complete worksheet CD 9-2 front except for challenge problem (in file)
      Reviewed energy changes from Friday
      Conservation means total energy stays the same
      Applied conservation to examples where gravitational potential energy (GPE) turned into kinetic energy (KE)
      GPE depends directly on height
      KE Eureka video


      Fri 11/13
      Make-up work: Get packet and complete graphic organizer (in file)
      Energy is the ability to do work! (Both measured in Joules)
      Identified 3 kinds of Potential energy and 2 kinds of Kinetic Energy
      Tried 6 demos around the room of how energy changed from one form to another


      Thu 11/12
      Make-up: N/A
      Science Museum Field Trip - Make-up day / Mythbusters

      Wed 11/11
      Make-up work: Get class data (in file) and then write a summary
      Try pulling a dishwasher (500 g mass) into a truck using ramp at different angles
      What did we find? No free lunches -- all about the same amount of work!


      Tue 11/10
      Make-up work: Complete "work"sheet #1-5 (in file)
      Create examples of work
      Catchy Physics Phrases: force and work
      Eureka 8: work
      Practice using the formula W=F*d


      Mon 11/9
      Make-up work: Use the internet or notes to answer the following questions: 1&2) What are two different everyday meanings of the word work (OTHER THAN having a job)? 3) If I blow up a balloon, am I doing physics work? Why or why not? (Slip in file)
      Brainstormed: What does work mean in everyday life?
      In physics: work is when a force causes a displacement
      4 demos: Did Leslie do physics work?